Richland County's estimated 2026 population is 10,896 with a growth rate of -0.6% in the past year according to the most recent United States census data. Richland County is the 20th largest county in Montana. The 2010 population was 9,760 and has seen a growth of 11.64% since that time.
Data after 2023 is projected based on recent change
The racial composition of Richland County includes 90.6% White, and smaller percentages for other race, Native Hawaiian or Pacific Islander, Asian, Black or African American, Native American and multiracial populations.
White (90.6%)
Two or more races (5.38%)
Other race (2.39%)
Native Hawaiian or Pacific Islander (0.87%)
Asian (0.27%)
Black or African American (0.25%)
Native American (0.25%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,264 | 90.6% |
| Two or more races | 609 | 5.38% |
| Other race | 271 | 2.39% |
| Native Hawaiian or Pacific Islander | 98 | 0.87% |
| Asian | 31 | 0.27% |
| Black or African American | 28 | 0.25% |
| Native American | 28 | 0.25% |
Married
Widowed
Divorced
Separated
Never Married
Richland County's average per capita income is $46,544. Household income levels show a median of $69,578. The poverty rate stands at 7.15%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,875 | - |
| Families | $87,353 | $109,458 |
| Households | $69,578 | $93,356 |
| Non Families | $36,750 | $61,061 |
Average Income
Median Household Income
Poverty Rate
